Review Papers | Computer Science & Engineering | India | Volume 4 Issue 7, July 2015
A Brief Overview of Satellite Image Resolution Enhancement
Ruchita Choudhary, Anil Saroliya
In this paper, a basic and element wavelet-based algorithm is exhibited for upgrade of the image sharpness or blurring of an Image. Four arrangements of routines are taken after here (De-noising, Decomposition, Sharpness Estimation, and Filtering). To begin with De-noising is done on the input image and afterward it works by at first decomposition the input image through a multi-level divisible DWT. After this, the log-energies of the DWT sub groups are processed. A Scalar Index relating to the information picture's sharpness is registered through the weighted normal of the processed log-energies. A few Satellite imageries are looked into and the Scalar Sharpness Index representing to the picture's general sharpness meant as SSI. This is utilized as a sifting part and the picture is sifted through to give the Sharpened Image. Here alongside the Scalar Sharpness Index, a Block based calculation is exhibited to focus the neighborhood saw sharpness. The Block Based Scalar Sharpness Index is computed by taking the RMS of 0.01 of maximum estimation of the separating parameter which takes the no. of Block Size. This proposed technique is the easiest, quickest and precise contrasting with the presently best-performing procedures for the sharpness estimation.
Keywords: Blurring, Decomposition, De-noising, DWT, Image Sharpness, Wavelet Decomposition Cycle Spinning CS, Discrete Wavelet Transform DWT, Dual Tree-Complex Wavelet Transforms DT-CWT, High Resolution HR, LowResolution LR, Un-decimated Wavelet Transform UWT, Wavelet Zero Padding WZP
Edition: Volume 4 Issue 7, July 2015
Pages: 1153 - 1155
How to Cite this Article?
Ruchita Choudhary, Anil Saroliya, "A Brief Overview of Satellite Image Resolution Enhancement", International Journal of Science and Research (IJSR), https://www.ijsr.net/search_index_results_paperid.php?id=SUB156044, Volume 4 Issue 7, July 2015, 1153 - 1155
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